Customer Area

Service charter

Our commitment is a SERVICE COMMITMENT, as clear as water.

Providing you with the highest quality service is our primary motivation. Therefore, this service charter from ACOSOL (the Water Supply and Sanitation Company of the Association of Municipalities of the Western Costa del Sol) aims to achieve the following objectives:

  • To continuously improve water supply and sanitation services across the municipalities we serve.
  • To provide you with the necessary information and resources to encourage your engagement in enhancing this service.

Effectively serving the interests of municipal residents must be a priority for public utilities, responding to society’s needs through a culture of collaborative work and operational and functional coordination. In our case, our priority is the municipalities of the Western Costa del Sol we serve.

 

Your rights

As a user of ACOSOL, youhave the right to:

  • Accessing high-quality services.
  • To be treated with the utmost courtesy, respect, and professionalism at all times.
  • To receive clear, accurate, and timely information.
  • To lodge complaints and submit suggestions regarding the services provided by ACOSOL.
  • To obtain information regarding your supply contract, water meter, and any other services provided by the company.
  • To receive prompt and personalized attention.
  • To have access to safe drinking water that meets all regulatory requirements.
  • To have access to a reliable and uninterrupted drinking water supply, subject to the terms of your contract.
  • To ensure that metering equipment is read at least quarterly
  • To receive billings on a maximum quarterly basis, pursuant to applicable regulations.
  • To enter into a written contract stipulating the core terms and conditions of supply.

 

Our commitments to Quality of Service

Our commitment to providing excellent public water and sanitation services is reflected in the following service commitments:

  • To maintain in-person customer service offices across all municipalities served by ACOSOL.
  • To maintain an average overall satisfaction score of at least 7 out of 10 for the services provided by ACOSOL.
  • To respond to official Junta de Andalucía complaint forms within 10 working days of receipt in at least 80% of cases.
  • To promptly address complaints submitted by customers or their representative consumer organizations.
  • To have the reading equipment installed and activate the water supply within a maximum of 3 business days from contract formalization, in at least 95% of cases.
  • To alert customers to any unusual consumption patterns relative to their baseline usage within 7 working days of meter reading validation by ACOSOL..
  • Where an underground or hidden internal leak causes excessive water usage, customers may apply for a sanitation rate reduction, subject to compliance with the criteria defined in current regulations.
  • Our customers and users can manage standard service requests 24/7/365 through several channels: our Online Services Portal, Corporate Website, or via our emergency line at 952 77 31 89.

Our Customer Service Hotline is available at 952 93 20 20, Monday through Friday, from 9:00 AM to 6:00 PM.

Your invoice, explained

FAQs

  • ACOSOL Office Locations by Municipality
    • Marbella – Elviria
    • Mijas – Las Lagunas / Calahonda
    • Ojén
    • Istán
    • Casares
    • More location details can be found in the Contact section of the website.
  • What is the location of the main office?
    • Autovía A-7, P.K. 190,700. Urbanización Elviria (Marbella)
  • What are the customer service channels?
  • What documentation do I need to provide to enter into a supply contract?
    • For service connection at centralized meter banks with an approved and certified installation:
    • Property deed, lease agreement, or any other document proving lawful occupancy or ownership of the property.
    • National Identity Document (DNI) / Foreigner’s Identity Number (NIE) / Tax Identification Number (CIF) (as applicable)
    • Installation certificate issued by a registered plumbing contractor (required for new installations).
    • Direct Debit Mandate.
    • Written authorization to sign the contract if the applicant is not the registered service holder.
    • For any other types of connections, the necessary documentation will vary based on the installation’s specifications. We advise contacting our staff beforehand for further information.
  • What contract options are available for water services?
    • Service categories vary based on usage and are classified as:
    • domestic
    • industrial
    • Temporary water supply for construction
    • or other uses
  • What are the available payment methods?
    • Debit / credit card
    • Direct debit
    • Payment voucher for partner banks (provided at ACOSOL offices).
  • How can I change my Direct Debit details?
    • Via the Online Portal.
    • Through our Customer Service Helpline, via a recorded phone call.
    • Via email, by submitting the required documentation,
    • O presencialmente en nuestras oficinas,
    • always providing proof of account ownership, and specifying the contract number along with the 24 digits of the new bank account (IBAN).
  • What is the breakdown of charges on my bill?
    • Service Charge: A fixed, recurring fee billed to users to ensure service availability, irrespective of actual water consumption..
    • Consumption Charge: A recurring fee calculated according to water usage. To calculate this charge, an increasing block rate structure is applied, where water consumption is split into tiers with fixed thresholds. Prices increase progressively with each tier. For domestic connections, the number of consumption bands is capped at a maximum of four.
    • Special Surcharges: Notwithstanding the regular tariff concepts, a special surcharge may be established for specific customer sectors or populations when their service requires specialized facilities beyond normal supply. Where operations such as water pumping or desalination incur extra costs relative to general operations, the supplying Entity may implement a temporary or permanent surcharge per cubic meter to offset these higher expenses.
    • Levies: A levy shall be understood as a surcharge established independently of the tariff to fund infrastructure investments. This revenue shall be earmarked specifically for the service.
    • All the provisions set forth above shall equally apply to Sanitation billing, regarding both tier-based billing and the levy.
  • How are meter readings taken?
    • Periodically by our company personnel. If we are unable to take a reading, the subscriber can notify the Company by email, telephone, or in person at our offices.
  • Can the company disconnect my water supply due to unpaid bills?
    • Yes. Service suspension can be carried out in accordance with the procedure established for this purpose in the Regulations on Residential Water Supply, approved by the Junta de Andalucía.
  • What are my rights as a customer?
    • Right to safe drinking water
    • Right to a reliable and uninterrupted water supply service.
    • Right to be billed for services received in accordance with the billing items and rates currently in force.
    • Right to a regular meter reading and billing schedule.
    • Right to have a supply contract formalized in writing.
    • Right to freely choose the authorized installer to execute internal plumbing installations.
    • Right to lodge complaints and to receive information regarding all inquiries.
  • What are my obligations as a customer?
    • Payment of bills and invoices:
    • Establishment of a security deposit.
    • Upkeep of private internal pipework.
    • Prohibition of unauthorized water diversion to third parties.
    • Reporting Service Disruptions.
    • Notification of service termination.
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